Tag: 4.MD

How many scoops do I need?

In this 3-act activity, students need to invent a different way to measure the powdered chocolate than what the instructions dictate. How many 1/4th teaspoonsfuls of powder = 2 teaspoons? How many 1/8th teaspoons = 2 teaspoons? General rule?

At least the days are getting longer

What’s your guess?  How fast are the number of daylight hours changing each day?  Are the changes dramatic or subtle? Students make guesses; compute how long, on average, the change in daylight hours should be; and finally understand the variability in our year of daylight hours.

Crazy basketball score

Wow! Look at that score! There were some scoreboard malfunctions in this December 15, 2020, pre-season game. What might have been the final score if this game progressed at this rate? The activity: Celtics&76ers.pdf

Martin Luther King, Jr and social justice

We have 6 activities on Martin Luther King and the movement to a more fair and equal representation of Black lives in America. A timeline of KIng’s life; a timeline of the social justice movement; the history of Jackie Robinson; data on which monuments in the National Mall are most visited; a study of crowd counting; and an examination of the recent changes in the Bears Ears Monument size and the reasons for that change.

December 21, 2020 – Great conjunction

Right now, just after sunset, in the southwest sky, you can check out the planets of Jupiter and Saturn as they get closer and closer to each other. They are millions of miles apart but they appear to be very…

USPS needs help!

Students learn how the Postal Service is funded and try to decide how the USPS could earn more or spend less in their operation.  They finally get to think about whether the post office should be a government run service or a self-sustaining business.

Ramen noodle heist

In 2018, the trailer of a truck filled with Ramen noodles was stolen from a parking lot in Georgia. The trailer contents were valued at $98,000. What do you wonder about this? Is this even possible?

Could $98,000 worth of Ramen even fit in a tractor trailer?

Do you want to be an NBA virtual fan?

For health concerns, professional sports now have no actual live fans. To help generate the excitement and semblance of fans, some teams use cardboard cutouts of people.  Some use Zoom screens of fans.  The NBA creates virtual fans. Actual viewers…

How big is this hornet really?

Giant hornets have now migrated to North America. In this activity students take the hornet’s measurements in millimeters and try to draw the hornet, life-sized, on centimeter graph paper. They learn a little more about the new beast.

Microns and Masks

How big is a coronavirus cell? How big is a micron? How well do these masks protect against the virus? What can you observe about the size of particles mentioned? Why are we wearing masks?

Huge Key Lime pie

More for π Day!  On a cold and snowy day in Boston, two chefs created a huge Key Lime pie to remind the frozen people of the Northeast how tasty and warm the Keys of Florida are. After you…

Population Clock

Click here to see the Population Clock bigger in a new window. How in the world does this clock conclude that there is a net gain in the United States of one person every 14 seconds?